rename HAVE_BYTESWAP_H to CONFIG_BYTESWAP_H

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/bswap.h b/bswap.h
index 864bbeb..06de544 100644
--- a/bswap.h
+++ b/bswap.h
@@ -11,7 +11,7 @@
 #include <machine/bswap.h>
 #else
 
-#ifdef HAVE_BYTESWAP_H
+#ifdef CONFIG_BYTESWAP_H
 #include <byteswap.h>
 #else
 
@@ -47,7 +47,7 @@
 		(uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \
 })
 
-#endif /* !HAVE_BYTESWAP_H */
+#endif /* !CONFIG_BYTESWAP_H */
 
 static inline uint16_t bswap16(uint16_t x)
 {
diff --git a/configure b/configure
index ac8273e..68dda0d 100755
--- a/configure
+++ b/configure
@@ -1541,7 +1541,7 @@
 int main(void) { return bswap_32(0); }
 EOF
   if $cc $ARCH_CFLAGS -o $TMPE $TMPC >/dev/null 2> /dev/null ; then
-    echo "#define HAVE_BYTESWAP_H 1" >> $config_host_h
+    echo "#define CONFIG_BYTESWAP_H 1" >> $config_host_h
   fi
   cat > $TMPC << EOF
 #include <sys/endian.h>